Browsing by Subject "Parametric -analysis"
Now showing items 1-12 of 12
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Bending deformation capacity of large-diameter spiral-welded tubes
(2014)Numerical simulations are conducted to define the bending deformation capacity of large-diameter spiral-welded tubes, towards efficient strain-based design. Under bending loading, the principal failure mode of those tubes ... -
Effect of spatial variability of soil properties on the stability and permanent seismic displacements of highway slopes
(2019)The effect of spatial variability of soil properties, slope inclination and excitation characteristics on the development of permanent displacements is investigated using random fields, created by the Local Average Subdivision ... -
The effect of spiral cold-bending manufacturing process on pipeline mechanical behavior
(2016)Large-diameter spiral-welded pipes are employed in demanding hydrocarbon pipeline applications, which require an efficient strain-based design framework. In the course of a large European project, numerical simulations on ... -
The effect of spiral cold-bending manufacturing process on pipeline mechanical behavior
(2019)Large-diameter steel pipes, fabricated through the spiral-welding manufacturing process, are extensively used in onshore pipelines for the transmission of energy (hydrocarbon) and water resources. However, their use in ... -
An exergetic analysis of an ethanol FED SOFC-GT hybrid system
(2009)A parametric analysis optimization and comparison of the exergetic efficiency (2nd law) of two different Solid Oxide Fuel Cell based power plants (SOFC-GT and SOFC) is carried out in the present work. The fuel with which ... -
Finite element analysis of UOE manufacturing process and its effect on mechanical behavior of offshore pipes
(2016)Thick-walled steel pipes during their installation in deep-water are subjected to a combination of loading in terms of external pressure, bending and axial tension, which may trigger structural instability due to excessive ... -
Modelling of spiral-welded pipe manufacturing and its effect on pipeline structural performance
(2016)The increasing use of large-diameter spiral-welded pipes in demanding hydrocarbon pipeline applications constitutes an engineering challenge, which requires the definition of an appropriate strain-design framework. In the ... -
A novel model for resin infiltration in pin-assisted pultrusion
(2017)Based on the results of a comprehensive numerical study of pin-assisted pultrusion, we present a simple explicit model, which allows for the estimation of the infiltration depth as a function of measurable parameters. The ... -
Numerical simulation of CFRP reinforced steel pipe elbows subjected to cyclic loading
(2016)Strengthening of pipelines and piping systems under extreme loading conditions increases their operation safety level towards safeguarding their structural integrity. Motivated by the structural integrity of pipelines and ... -
Sand model within anisotropic critical state theory with evolving fabric
(2015)This paper presents a simple anisotropic sand model within a recently proposed Anisotropic Critical State Theory (ACST), which was motivated by grain level kinematics studied by means of DEM. The model adopts the SANISAND ... -
Structural performance of steel pipe tee-junctions
(2014)The behavior of steel pipe junctions (Tees) subjected to strong loading in the presence of internal pressure is examined in the present study. The analysis is based on a set of monotonic and cyclic out-of plane bending ... -
Study of the operational parameters effect on a direct ethanol PEM fuel cell performance by the aid on a mathematical model
(2011)In the present work, a model-based parametric analysis of the performance of a direct ethanol polymer electrolyte membrane fuel cell (DE-PEMFC) is conducted with the purpose to investigate the effect of several parameters ...